sakehe

...Yukara are divided into "Yukara of the gods" and "Yukara of humans" (Figure).
[Yukara of the Gods]
There are stories told by gods of nature, such as gods of fire and wind, animal and plant gods, and fetish gods, and stories told by the ancestor gods of humankind, both of which are characterized by endings with sakehe (a refrain). The former, "Yukara of the Nature Gods," are usually slightly shorter than the latter, "Yukara of the Human Gods," but there are many of them, with rich variety and a rhythmic style of narration.

*Some of the terminology explanations that mention "sakehe" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ユーカラは〈神々のユーカラ〉と〈人間のユーカラ〉に二分される（図）。
［神々のユーカラ］
　火，風などの神や動･植物神，物神といった自然神が語る物語と，人間の始祖神が語るものとがあり，ともにサケヘsakehe(リフレーン)がつくのが特徴。前者の〈自然神のユーカラ〉の方が後者の〈人文神のユーカラ〉よりやや短いのが普通であるが，変化に富み，リズミカルな語り口で数も多い。…

※「sakehe」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報